I suspect you mean that incoming calls route directly to voice mail.
Open the phone app. Swipe down from top bezel. Choose settings. Chose call forwarding from the menu and make sure that forward all calls is off. If that is not on, call your carrier and ask them for some help, this could easily be an issue on their side.
-: DrewRead :- Can't find an app on Blackberry World yet? Tweet the developer and ask when they will #GetWithBB10 !! "Like it" if you like it.